In a mixing bowl, cream sugar, butter, egg, milk, vanilla, salt, baking soda, and baking powder.
Add flour and stir with a wooden spoon to combine.
Chill dough for a few hours to make for easier handling.
Form 2 teaspoonfuls of dough into a ball.
Flatten ball and place a cherry in the center; shape dough around cherry.
Repeat with remaining dough and cherries.
Place balls 2 inches apart on greased baking sheets.
Bake at 350° for 10-12 minutes or until set and edges are lightly browned. (Mine took about 16 minutes).
Cool 1 minute before removing to wire racks to cool completely.
Grate 2-oz. white confectionery coating; set aside.
Grate 2-oz. chocolate confectionery coating; set aside.
Melt remaining white coating with 6 tbsp. of butter; melt dark coating with remaining butter.
(Use more butter if you need to make the bark thin enough to coat the cookie well.)
Dip half the cookies into white coating; place on waxed paper.
Sprinkle with grated chocolate bark or pecans.
Dip remaining cookies in dark coating; place on waxed paper.
Sprinkle with grated white coating.
Store in a covered container in the refrigerator.